html {
    overflow: hidden;
    touch-action: none;
    content-zooming: none;
    font-family: sans-serif;
    font-size: 12px;
}
body {
    position: absolute;
    margin: 0;
    padding: 0;
    background: #222;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #FFF;
}
#canvas {
/*   position: absolute;
  top: 0; right: 0; left: 0;
  margin: auto; */
  
    margin: auto;
    margin-bottom: 1em;
    max-width: 100%;
    height: auto;
/*  background:#000; */
}
